Hassan, B. A., and M. I. Mohammed. “ROBUST QUASI-NEWTON EQUATIONS IN QUASI-NEWTON METHOD FOR SOLVING UNCONSTRAINED OPTIMIZATION PROBLEMS”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, Vol. 20, no. 3, Apr. 2026, pp. 1911-22, doi:10.30598/barekengvol20iss3pp1911-1922.